<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<style type="text/css">
	body{
		padding: 0;
		margin: 0;
		width: 100%;
		height: 100%;
		background-color: black;
		
	}
	a.start{
		width: 40%;
		height: 10%;
		position: absolute;
		left: 50%;
		top: 50%;
		display: block;
		transform: translate(-50%,-50%);
		background: red;
		border: 2 solid gold;
		border-radius: 10px;
		font-size: 8vw;
		text-align: center;
		line-height: 2em;
		text-decoration: none;
	}
		
	</style>

	<body>
		<a href="hbk.html" class="start">开打</a>
	</body>
</html>
